Home
Class 11
PHYSICS
The mass of a planet is 4 times the mass...

The mass of a planet is 4 times the mass of the earth and its radius is 2 times the radius of the earth. The acceleration due to gravity on that planet is

A

`9.8 m*s^(-2)`

B

`19.6 m*s^(-2)`

C

`4.9 m*s^(-2)`

D

`39.2 m*s^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise EXERCISE (Very Short Answer Type Questions)|67 Videos
  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise EXERCISE (Short Answer Type Questions-I)|12 Videos
  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS|41 Videos
  • NEWTON'S LAWS OF MOTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|24 Videos
  • ONE - DIMENSIONAL MOTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|19 Videos

Similar Questions

Explore conceptually related problems

The mass of the moon is 1/(80) th of the mass of the earth and its radius is 1/4 th of that of the earth. Compare the accelerations due to gravity on the earth's and the moon's surface

The acceleration due to gravity on the surface of the earth is 9.8 m*s^(-2) . The size of a planet is the same as that of the earth, but its density is twice the density of the earth. The value of the acceleration due to gravity on that planet is

The value of the escape velocity from the earth is v_e . If the radius of a planet is 4 times that of the earth and its density is 9 times the density of the earth, then the value of the escape velocity from that planet will be

Keeping the mass fixed , if the radius of the earth is halved, the acceleration due to gravity at any place will be

A body of mass m is raised from the surface of the earth up to a height equal to the radius R of the earth. If the acceleration due to gravity on the earth's surface is g , prove that the potential energy of the body has increased by 1/2 mgR.

What is the value of the acceleration due to gravity on the surface of the earth ?

What is the value of the acceleration due to gravity at the centre of the earth ?

The mass of the moon is 1/(80) th of that of the earth and the radius of the moon is 1/4 th of that of the earth. The ratio of the acceleration due to gravity on the moon and that on the earth is

CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-EXERCISE (Multiple choice Questions)
  1. In the case of a freely falling spherical body , its acceleration due ...

    Text Solution

    |

  2. If the earth is assumed to be a sphere of radius R, the height above t...

    Text Solution

    |

  3. The mass of a planet is 4 times the mass of the earth and its radius i...

    Text Solution

    |

  4. The mass of the moon is 1/(80) th of that of the earth and the radius...

    Text Solution

    |

  5. If the diurnal motion of the earth ceases all on a sudden , then the v...

    Text Solution

    |

  6. Keeping the mass of the earth constant, if the radius of the earth is ...

    Text Solution

    |

  7. If the radius of the earth is R , the height above the surface of the ...

    Text Solution

    |

  8. If the change in the acceleration due to gravity (g) at an altitude h ...

    Text Solution

    |

  9. The acceleration due to gravity on the surface of the earth is 9.8 m*s...

    Text Solution

    |

  10. A rocket is projected vertically upwards from the surface of the eart...

    Text Solution

    |

  11. If one moves from the equator to the pole, the value of g

    Text Solution

    |

  12. If the radius of the earth were to shrink by 1% , its mass remaining ...

    Text Solution

    |

  13. If G is universal gravitational constant and g is acceleration due to ...

    Text Solution

    |

  14. At what altitude (h) above the earth's surface would the acceleration ...

    Text Solution

    |

  15. A planet has same density and same acceleration due to gravity as of e...

    Text Solution

    |

  16. The escape velocity from the earth is ve. If both the mass and the rad...

    Text Solution

    |

  17. The escape velocity of a particle of mass m is

    Text Solution

    |

  18. The value of the escape velocity of a body thrown vertically upwards f...

    Text Solution

    |

  19. The value of the escape velocity from the earth is ve. If the radius ...

    Text Solution

    |

  20. The escape velocity of a planet is ve. From this planet a particle is...

    Text Solution

    |